CN219083309U

CN219083309U - Underground fire engineering ventilation noise reduction device

Info

Publication number: CN219083309U
Application number: CN202223010844.3U
Authority: CN
Inventors: 王会法; 汪晶晶; 郑兴涛
Original assignee: Hubei Lianqi Construction Co ltd
Current assignee: Hubei Lianqi Construction Co ltd
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-05-26
Anticipated expiration: 2032-11-12

Abstract

The utility model discloses a ventilation noise reduction device for underground fire engineering, which comprises an air shaft, wherein an exhaust port and an exhaust port are respectively arranged at the top of one side and the bottom of the other side in the air shaft, an air guide pipeline is communicated between the exhaust port and the exhaust port, an air extraction device is arranged at the bottom of one side in the air guide pipeline, a mounting groove is arranged at the middle position of the top in the air shaft, and a mounting plate is arranged at the middle position in the mounting groove; the utility model can discharge the smoke and dust generated by the underground fire engineering under the starting of the air extractor through the communication cooperation of the air extraction opening, the air exhaust opening and the air guide pipeline, and promote the gas to be purified under the mutual cooperation of the filtering of the filter screen plate and the noise reduction structures of the two groups of inclined noise reduction plates, thereby avoiding a large amount of dust from being directly discharged outside and reducing the noise generated by ventilation.

Description

Underground fire engineering ventilation noise reduction device

Technical Field

The utility model relates to the technical field of underground fire engineering, in particular to a ventilation noise reduction device for underground fire engineering.

Background

Underground places generally belong to places with high sealing degree, if ventilation abnormality occurs, the underground places are easy to accumulate pollutants, the concentration of harmful gases increases, and if fire occurs, smoke in the underground places is difficult to discharge to the outside. The underground fire engineering ventilation noise reduction device is used for ventilating and exhausting smoke in an underground place;

the patent number of the patent is CN214741432U discloses a ventilation noise reduction device for underground fire engineering, the device mainly starts the motor to drive the gear to rotate, the rack drives the smoke exhaust pipe to slide and be communicated with the connecting pipeline, smog directly enters the smoke exhaust pipe through the connecting pipeline, the smoke exhaust fan discharges, the contact between smog and the noise reduction layer is greatly reduced, thereby reduce the dust to be attached to the noise reduction layer, the air quality of delivering into underground places is improved, during air supply, the driving piece drives the smoke exhaust pipe to be far away from the connecting pipeline, so that the air supply fan supplies air to the underground places, but during ventilation work, a large amount of dust and flue gas are always present in underground fire space, and larger noise is also produced during ventilation work, and when the device is ventilated, the dust is easy to be blocked in the exhaust pipeline, thereby influencing ventilation and smoke exhaust efficiency, frequent cleaning work of staff is increased, and limitation of ventilation work of the device is increased.

Disclosure of Invention

The utility model aims to provide a ventilation and noise reduction device for underground fire engineering, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device of making an uproar falls in underground fire control engineering ventilation, includes the air shaft, exhaust port and extraction opening are installed respectively to the top of the inside one side of air shaft and the bottom of opposite side, the intercommunication has the air duct between extraction opening and the exhaust port, the bottom of the inside one side of air duct is equipped with air extraction device, the intermediate position department at the inside top of air shaft is equipped with the mounting groove, the mounting panel is installed to the intermediate position department inside the mounting groove, the top of mounting panel is equipped with air supply arrangement and servo motor and fresh air atomizer respectively, air supply arrangement's output intercommunication has the air duct, the intermediate position department inside the air duct is equipped with the oblique type and falls the board of making an uproar, two sets of oblique type fall the board of making an uproar and extend to the inside of mounting groove, servo motor's output is equipped with the screw rod, the outside of screw rod is equipped with the screwed pipe of screw adaptation, the bottom of screwed pipe is connected with the movable seat, the logical groove has been seted up to the inside of movable seat, sealed cardboard is installed to the bottom of sealed seat and the sealed cardboard and the oblique type of making an uproar falls the board.

The utility model discloses a novel air purifier, including the inside top of air shaft, the bottom intercommunication of water tank one side has the pipe, pipe and the atomizer that freshens with the air communicate each other, the inside one side of air shaft bottom is equipped with dust extraction, searches book dust extraction's output and extends to the inside of extraction opening, dust extraction's top intercommunication has the honeycomb duct, one side of the inside bottom of air shaft is equipped with the collecting vat that communicates each other with the honeycomb duct, one side inside extraction opening and the gas vent is equipped with the filter screen plate.

Preferably, the top of positive one end of wind shaft and one side of bottom are equipped with the air inlet window, and the inboard of air inlet window is equipped with dustproof otter board, one side of wind shaft one end bottom is equipped with the bin gate, is convenient for open the bin gate and maintains and clear up the work to the device inside.

Preferably, one side of the collecting tank is provided with an exhaust pipe, the exhaust pipe extends out of the air shaft, and the inner side of the collecting tank is provided with a chip collecting tank, so that inhaled dust can be uniformly collected, and subsequent cleaning is facilitated.

Preferably, the bottom of the inside both sides of mounting groove has seted up the spout, and the inboard of spout is equipped with the slider, and slider and movable seat interconnect improve the stability of movable seat lift adjustment.

Preferably, the two groups of the inclined noise reduction plates are in an inclined structure and are in sealing fit with the sealing clamping plate, the tops of the two groups of the inclined noise reduction plates are communicated with the mounting groove, and the two groups of the inclined noise reduction plates are arranged at the communicating position of the mounting groove to promote gas to be led into the mounting groove for ventilation after noise reduction.

Preferably, the top and the bottom inside the extraction opening and the exhaust opening are provided with connecting pieces, and the two groups of the filter screen plates are fixedly matched with the connecting pieces, so that the filter screen plates can be conveniently disassembled, assembled and cleaned.

Compared with the prior art, the utility model has the beneficial effects that:

this underground fire control engineering ventilation noise reduction device passes through the intercommunication cooperation of extraction opening and gas vent and air guide pipeline, can make the flue gas and the dust that underground fire control engineering produced discharge under air exhaust device's start, and under the filtration of filter screen board and the structure of making an uproar of two sets of oblique noise reduction boards mutually support down, promote gaseous purifying, avoid a large amount of dust direct discharge outside, and reduce the noise that ventilates and produce, and cooperate dust extraction's initiative dust absorption, can actively absorb the dust that the filter screen board blockked, thereby maintain the filtration ventilation efficiency of filter screen board, the frequent cleaning work of staff has been saved, and utilize sealed cardboard and under the sealed cooperation of oblique noise reduction board, can actively raise the sealed cardboard of canceling to oblique noise reduction board, thereby make air guide pipeline and mounting groove intercommunication each other, at this moment can be with the gaseous quick ventilation of discharging into underground under air supply device's start again, the gaseous with the air refreshing liquid phase of spraying of air refreshing atomizer of air refreshing combines each other, the air refreshing liquid of the promotion ventilation simultaneously, the travelling comfort of gas is greatly increased.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at B of fig. 2 according to the present utility model.

In the figure: 1. a wind shaft; 2. an extraction opening; 3. an exhaust port; 4. an air supply pipeline; 5. an air guide pipeline; 6. a collection tank; 7. a mounting groove; 8. an air supply device; 9. a water tank; 10. a filter screen plate; 11. an air extracting device; 12. a flow guiding pipe; 13. a dust collection device; 14. an inclined noise reduction plate; 15. a sealing clamping plate; 16. a through groove; 17. a movable seat; 18. a threaded tube; 19. a screw; 20. a servo motor; 21. a mounting plate; 22. an air freshening sprayer; 23. a catheter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides an underground fire engineering ventilation noise reduction device, including air shaft 1, exhaust port 3 and extraction opening 2 are installed respectively to the bottom of the inside one side of air shaft 1 top and opposite side, the intercommunication has air duct 5 between extraction opening 2 and the exhaust port 3, one side of the top and the bottom of air shaft 1 front one end is equipped with the inlet window, and the inboard of inlet window is equipped with dustproof otter board, one side of air shaft 1 one end bottom is equipped with the bin gate, be convenient for open the bin gate and maintain and clear up work to the device inside, the bottom of one side is equipped with air extraction device 11 in air duct 5 inside, the intermediate position department at the inside top of air shaft 1 is equipped with mounting groove 7, mounting plate 21 is installed to the intermediate position department in mounting groove 7 inside, the top of mounting plate 21 is equipped with air supply device 8 and servo motor 20 and air freshening atomizer 22 respectively, the output of air supply device 8 communicates there is air duct 4, the intermediate position department symmetry in air duct 5 inside is equipped with oblique noise reduction board 14, two sets of oblique noise reduction board 14 extend to the inside of mounting groove 7, the output end of servo motor 20 is equipped with screw 19, the outside of screw 19 is equipped with screw 18 of screw 18, the bottom of screw 18 is connected with 17 inside 17, mounting groove 17 and two sets of jack-up and two sets of jack-down boards 17 are equipped with the seal seat 15 and seal groove 15, seal groove 15 and seal groove 15 are equipped with the inside the jack-up and seal groove 15, seal groove 15 and seal groove 15 are installed with the jack-up seat 15 and seal groove 15 are installed with the jack-up and seal groove and the jack-up seat 15 and seal seat 15, the jack-up and the jack-down seat is mutually with the jack seat is sealed with the jack-up and the jack-down seat is installed, the air is led into the installation groove 7 for ventilation after noise reduction;

the inside top of the air shaft 1 is provided with the water tank 9 on one side, the bottom intercommunication on one side of the water tank 9 has the pipe 23, the pipe 23 communicates with the air freshening sprayer 22 each other, the bottom on one side of the inside of the air shaft 1 is provided with the dust extraction device 13, the output end of the book searching dust extraction device 13 extends to the inside of the extraction opening 2, the top intercommunication of the dust extraction device 13 has the honeycomb duct 12, one side of the inside bottom of the air shaft 1 is provided with the collecting vat 6 which communicates with the honeycomb duct 12 each other, one side of the collecting vat 6 is provided with the blast pipe, and the blast pipe extends out of the outside of the air shaft 1, the inner side of the collecting vat 6 is provided with the chip collecting vat, the subsequent cleaning of can be unified, one side inside the extraction opening 2 and the exhaust opening 3 is provided with the filter screen 10, the inside top and the bottom of the extraction opening 2 and the exhaust opening 3 are provided with the connecting piece, two sets of filter screen 10 and the connecting piece fixed cooperation, the dismouting clearance is convenient for carrying out to the filter screen 10.

Working principle: when the device is used, the air in the underground fire engineering space is sucked into the suction opening 2 together with dust through the starting of the air extractor 11, the sucked dust is separated through the blocking and filtering cooperation of the filter screen plate 10 during the process, the air is led into the air guide pipeline 5 from the suction opening 2, then the air is subjected to noise reduction through the filtering of the two groups of inclined noise reduction plates 14, the separated air is led into the exhaust opening 3 from the air guide pipeline 5 and is discharged, the filtering type ventilation operation is independently carried out, the dust collector 13 can be started at regular time to actively absorb the filtered dust through the filter screen plate 10 in the suction opening 2, the blockage of the excessive dust to the filter screen plate 10 is avoided, and the dust is uniformly sucked into the collecting duct 12 and is led into the collecting tank 6 for collecting, so that a large amount of dust is uniformly recovered and treated, and frequent cleaning work of operators is reduced;

when ventilation work is carried out, the screw rod 19 is driven to rotate through the starting of the servo motor 20, the threaded pipe 18 is driven to lift the movable seat 17 under the running fit of the screw rod 19, the sealing of the sealing clamping plate 15 and the inclined noise reduction plate 14 is canceled, the air guide pipeline 5 and the mounting groove 7 are mutually communicated, air is caused to enter the mounting groove 7 under the communication of the through groove 16, then the air filtered from the filter screen plate 10 and noise reduced by the inclined noise reduction plate 14 is guided into the air supply pipeline 4 through the starting of the air supply device 8, the air is pumped back into the underground fire engineering space for ventilation work, the air freshener is sprayed into the mounting groove 7 in an atomized state under the communication of the water tank 9 and the guide pipe 23 through the air freshener 22 during ventilation work, the air freshener and the air are combined mutually, the comfort of the ventilation air is improved, and the ventilation effect of underground fire engineering is increased.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms connected and connected are to be construed broadly, and may be, for example, fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a device of making an uproar falls in underground fire control engineering ventilation, includes air shaft (1), its characterized in that: the utility model discloses a movable seat, including air inlet (5) and air outlet (3), air vent (3) and extraction opening (2) are installed respectively to the bottom of the inside one side of air shaft (1), the intercommunication has air guide pipeline (5) between extraction opening (2) and air vent (3), the bottom of air guide pipeline (5) inside one side is equipped with air extraction device (11), the intermediate position department at the inside top of air shaft (1) is equipped with mounting groove (7), mounting plate (21) are installed to the intermediate position department inside mounting groove (7), the top of mounting plate (21) is equipped with air supply device (8) and servo motor (20) and air freshening atomizer (22) respectively, the output intercommunication of air supply device (8) has air supply pipeline (4), the intermediate position department symmetry of air guide pipeline (5) is equipped with inclined plate (14), and two sets of inclined plate (14) of making an uproar extend to the inside of mounting groove (7), the output of servo motor (20) is equipped with screw rod (19), the outside of screw rod (19) is equipped with screwed pipe (18) of adaptation, the bottom of screwed pipe (18) is equipped with screw thread seat (17), movable seat (17) are equipped with movable seat (17), the sealing clamping plate (15) is in sealing fit with the inclined noise reduction plate (14);

the utility model discloses a novel air purification device, including wind well (1), air inlet, air outlet, air inlet, air duct (9) are equipped with to one side at the inside top of wind well (1), the bottom intercommunication of water duct (9) one side has pipe (23), pipe (23) communicate with each other with air freshening atomizer (22), the bottom of inside one side of wind well (1) is equipped with dust extraction (13), and the output of searching for books dust extraction (13) extends to the inside of extraction opening (2), the top intercommunication of dust extraction (13) has honeycomb duct (12), one side of the inside bottom of wind well (1) is equipped with collecting vat (6) that communicate with honeycomb duct (12) each other, one side inside extraction opening (2) and gas vent (3) is equipped with filter screen (10).

2. The underground fire engineering ventilation noise reduction device according to claim 1, wherein: the top of positive one end of air shaft (1) and one side of bottom are equipped with the air inlet window, and the inboard of air inlet window is equipped with dustproof otter board, one side of air shaft (1) one end bottom is equipped with the bin gate.

3. The underground fire engineering ventilation noise reduction device according to claim 1, wherein: an exhaust pipe is arranged on one side of the collecting tank (6), the exhaust pipe extends out of the air shaft (1), and a chip collecting tank is arranged on the inner side of the collecting tank (6).

4. The underground fire engineering ventilation noise reduction device according to claim 1, wherein: the bottoms of the two sides of the inside of the mounting groove (7) are provided with sliding grooves, the inner sides of the sliding grooves are provided with sliding blocks, and the sliding blocks are connected with the movable seat (17) mutually.

5. The underground fire engineering ventilation noise reduction device according to claim 1, wherein: the two groups of the inclined noise reduction plates (14) are in an inclined structure and are in sealing fit with the sealing clamping plate (15), and the tops of the two groups of the inclined noise reduction plates (14) are communicated with the mounting groove (7).

6. The underground fire engineering ventilation noise reduction device according to claim 1, wherein: the top and the bottom inside the air extraction opening (2) and the air exhaust opening (3) are provided with connecting pieces, and the two groups of filter screen plates (10) are fixedly matched with the connecting pieces.